Embibe Experts Solutions for Chapter: Physical World and Measurement, Exercise 1: Exercise - 1

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Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Chapter: Physical World and Measurement, Exercise 1: Exercise - 1

Attempt the free practice questions on Chapter 3: Physical World and Measurement, Exercise 1: Exercise - 1 with hints and solutions to strengthen your understanding. Alpha Question Bank for Engineering: Physics solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: Physical World and Measurement, Exercise 1: Exercise - 1 with Hints & Solutions

EASY
JEE Main/Advance
IMPORTANT

For a cubical block, error in measurement of sides is + 1% and error in measurement of mass is + 2%, then maximum possible error in density is,

EASY
JEE Main/Advance
IMPORTANT

To estimate g (from g=4π2LT2 ), error in measurement of L is + 2% and error in measurement of T is + 3%. The error in estimated g will be, 

MEDIUM
JEE Main/Advance
IMPORTANT

The dimensions of a rectangular block measured with a vernier calipers having least count of 0.1 mm is 5 mm × 10 mm × 5 mm. The maximum percentage error in measurement of volume of the block is

EASY
JEE Main/Advance
IMPORTANT

An experiment measures quantities x, y, z and then t is calculated from the data as t=xy2z3. If percentage errors in x, y and z are respectively 1%, 3%, 2%, then percentage error in t is:

EASY
JEE Main/Advance
IMPORTANT

The external and internal diameters of a hollow cylinder are measured to be (4.23 ± 0.01) cm and (3.89 ± 0.01) cm. The thickness of the wall of the cylinder is

EASY
JEE Main/Advance
IMPORTANT

Two resistors R1 (24±0.5) Ω and R2 (8±0.3) Ω are joined in series. The equivalent resistance is

EASY
JEE Main/Advance
IMPORTANT

In a meter bridge circuit, the known resistance used in resistance box is 100 Ω (without any error and the unknown resistor is put in right arm). The null point is found to be 40 cm from the left end. If mm scale is used in the meter bridge then the resistance of the unknown resistor is:

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EASY
JEE Main/Advance
IMPORTANT

In the formula X=3YZ2, the quantities X and Z have the dimensions of capacitance and magnetic induction, respectively. The dimensions of Y in the MKS system are,